\usemodule[zhfonts]
\setupzhfonts
  [serif]
  [bold=notoserifcjkscbold,
   bolditalic=notoserifcjkscbold]
\starttext
\bf 我能吞下玻璃而不伤身体。I can eat glass, it does not hurt me.\par
\bi 我能吞下玻璃而不伤身体。I can eat glass, it does not hurt me.
\stoptext
